You will complete an x-bar and R chart similar to the example shown in Chapter 6, figure 6.8, from our textbook “Statistical Process Control and quality Improvement”, starting from the provided Excel template. You will enter the numerical data from the section below, and calculate all of the averages and ranges, then plot these numbers and add the connecting lines, in the appropriate chart sections. You will also calculate and plot the UCLX, LCLX, UCLR, and LCLR.  The control limit formulas are on page 203 of the textbook. Be sure to include your upper and lower control limit calculations below the chart.

Numerical Data:

Formatting:

Text Size: All of the text in this assignment has been preset to the individual cells.

Margins: The margins have been preset in this assignment. If you file doesn’t display correctly, you will need to change the page setup. The top, bottom, and right side are set for ¼’ (0.25) margins. The left margin is set to ½” (0.5”).  The view is set to normal; the page is set to US Legal, landscape, and fit to page.

Name Block: Place the name block in the upper left corner of the page, in cells A1 through A3. Put yourname first, then the class title, as per the example:

Your Name

TECH 458 Quality Assurance

Saving/Naming Your File:

When you save your file make sure that your name and the project number are included in it.

Example:                     YourName458A1